Home / 152,143.20-228,214.80-99,266.40

Finding the Fourth Proportional to 152,143.20, 228,214.80 and 99,266.40

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Solution

The fourth proportional to 152,143.20, 228,214.80 and 99,266.40 is: 148,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,143.20 : 228,214.80 = 99,266.40 : x
  2. Step 2: Convert to fraction form
    152,143.20/228,214.80 = 99,266.40/x
  3. Step 3: Cross multiply
    152,143.20x = 228,214.80 × 99,266.40
  4. Step 4: Simplify right side
    152,143.20x = 22,654,061,622.72
  5. Step 5: Solve for x
    x = 22,654,061,622.72/152,143.20
  6. Step 6: Final answer
    x = 148,899.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.